package mwa.cs.service;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;

import mwa.cs.dao.AddressDAO;
import mwa.cs.database.Database;

/**
 * Servlet implementation class ProvinceComponentAPISrvl
 */
public class ProvinceComponentAPISrvl extends HttpServlet {
	private static final long serialVersionUID = 1L;
    private Database db;   
    /**
     * @see HttpServlet#HttpServlet()
     */
    public ProvinceComponentAPISrvl() {
        super();
       
    } 
    public void processRequest(HttpServletRequest request,HttpServletResponse response) 
    		throws ServletException, IOException {
    	request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8"); 
		response.setContentType("text/JSON");
		
    	String vaProvince = request.getParameter("province");
    	String[] vaMessage = null, vaValue = null;
    	this.db = new Database();
    	if (vaProvince != null && vaProvince.equals("yes")) {
			AddressDAO voAddress = new AddressDAO(db);
			List<Map<String, Object>> voResult = voAddress.findProvince();
			vaValue = new String[voResult.size()];
			vaMessage = new String[voResult.size()];
			for (int i = 0; i < voResult.size(); i++) {
				Map<String, Object> voObject = voResult.get(i);	
				vaValue[i] = (String) voObject.get("PROVINCE"); 
				vaMessage[i] = (String) voObject.get("NAME");	
			}
    	}
    	JSONObject voObject = new JSONObject();
		JSONArray voList = new JSONArray();
		PrintWriter voOut = response.getWriter();
		if (vaMessage != null) {
			for (int i = 0; i < vaMessage.length; i ++) {
				voList.add(vaMessage[i]);
			}
		}
		voObject.put("messages", voList);
		JSONArray voList2 = new JSONArray();
		if (vaValue != null) {
			for (int i = 0; i < vaValue.length; i ++) {
				voList2.add(vaValue[i]);
			}
		}

		voObject.put("values", voList2);
		this.db.close();
		voOut.print(voObject.toJSONString());

    }


    	

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		processRequest(request,response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		processRequest(request,response);
	}

}
